AU543220B2 - Method and apparatus for controlling capacity of a multiple- stage cooling system - Google Patents

Method and apparatus for controlling capacity of a multiple- stage cooling system

Info

Publication number
AU543220B2
AU543220B2 AU61294/80A AU6129480A AU543220B2 AU 543220 B2 AU543220 B2 AU 543220B2 AU 61294/80 A AU61294/80 A AU 61294/80A AU 6129480 A AU6129480 A AU 6129480A AU 543220 B2 AU543220 B2 AU 543220B2
Authority
AU
Australia
Prior art keywords
cut
pressure
signals
response
cooling stage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU61294/80A
Other languages
English (en)
Other versions
AU6129480A (en
Inventor
Richard H. Alsenz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU6129480A publication Critical patent/AU6129480A/en
Application granted granted Critical
Publication of AU543220B2 publication Critical patent/AU543220B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/027—Condenser control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1912—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can take more than two discrete values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/23—Separators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0253—Compressor control by controlling speed with variable speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
AU61294/80A 1979-07-31 1980-07-31 Method and apparatus for controlling capacity of a multiple- stage cooling system Ceased AU543220B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6252579A 1979-07-31 1979-07-31
US062525 1979-07-31

Publications (2)

Publication Number Publication Date
AU6129480A AU6129480A (en) 1981-03-03
AU543220B2 true AU543220B2 (en) 1985-04-04

Family

ID=22043052

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61294/80A Ceased AU543220B2 (en) 1979-07-31 1980-07-31 Method and apparatus for controlling capacity of a multiple- stage cooling system

Country Status (8)

Country Link
EP (1) EP0034591B1 (enrdf_load_stackoverflow)
JP (1) JPS56501097A (enrdf_load_stackoverflow)
AT (1) ATE11338T1 (enrdf_load_stackoverflow)
AU (1) AU543220B2 (enrdf_load_stackoverflow)
CA (1) CA1158745A (enrdf_load_stackoverflow)
DE (1) DE3069971D1 (enrdf_load_stackoverflow)
WO (1) WO1981000446A1 (enrdf_load_stackoverflow)
ZA (1) ZA804656B (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1168497B (it) * 1981-07-13 1987-05-20 Necchi Spa Gruppo motocompressore condensatore per cicli frigoriferi
FR2521272B1 (fr) * 1982-02-09 1985-12-13 Bonnet Ets Programmateur de commande pour centrale frigorifique multicompresseurs
JPS58145519A (ja) * 1982-02-20 1983-08-30 Sanden Corp 車輛用冷房装置の制御装置
US4580071A (en) * 1983-07-28 1986-04-01 Mitsubishi Denki Kabushiki Kaisha Generator cooling apparatus
US4633672A (en) * 1985-02-19 1987-01-06 Margaux Controls, Inc. Unequal compressor refrigeration control system
DE253928T1 (de) * 1986-07-22 1988-10-13 Margaux Controls Inc., San Jose, Calif. Steuersystem fuer kompressoren von kuehlanlagen.
IL85537A0 (en) * 1987-02-25 1988-08-31 Prestcold Ltd Refrigeration systems
FR2617581B1 (fr) * 1987-06-30 1989-09-29 Henriot Jean Luc Installation frigorifique pour un appareil de surgelation et de conservation de produits alimentaires

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2782350A (en) * 1953-08-06 1957-02-19 Whirlpool Seeger Corp Electrical circuit for multiple motor system
US3513662A (en) * 1968-11-12 1970-05-26 Armour & Co Feedback control system for sequencing motors
US3744932A (en) * 1971-04-30 1973-07-10 Prevett Ass Inc Automatic sequence control system for pump motors and the like
US3717300A (en) * 1971-10-14 1973-02-20 Athena Controls Temperature control apparatus with a cyclical distributor
FR2165138A5 (enrdf_load_stackoverflow) * 1971-12-20 1973-08-03 Laks Maurice
US4003370A (en) * 1975-10-14 1977-01-18 American Hospital Supply Corporation Blood pressure monitor system and method
GB1553217A (en) * 1976-08-31 1979-09-26 Isovel Ltd Refrigerating apparatus

Also Published As

Publication number Publication date
ATE11338T1 (de) 1985-02-15
DE3069971D1 (en) 1985-02-28
AU6129480A (en) 1981-03-03
JPS56501097A (enrdf_load_stackoverflow) 1981-08-06
ZA804656B (en) 1982-02-24
EP0034591B1 (en) 1985-01-16
CA1158745A (en) 1983-12-13
EP0034591A1 (en) 1981-09-02
WO1981000446A1 (en) 1981-02-19
EP0034591A4 (en) 1982-01-26

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